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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-C-500877
Crystal Unit, Quartz
Part NumberSM-C-500877
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-723-5629 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Shunt Capacitance In Picofarads1.5 NOMINAL
Body Width0.402 INCHES MAXIMUM
Mode Of OscillationFUNDAMENTAL
Circuit ResonanceSERIES RESONANCE
Body Thickness0.150 INCHES MAXIMUM
Center To Center Distance Between0.192 INCHES NOMINAL
Frequency Tolerance For Operating-0.004 TO 0.004
Drive Level Rating1.0 MILLIWATTS NOMINAL
Style DesignatorOVAL BODY, WIRE LEADS
Equivalent Resistance Value In Ohm60.0 NOMINAL
Overall Thickness0.183 INCHES NOMINAL
Vendor Part Numbers666092-095
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is SM-C-500877 available?
We can source SM-C-500877 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is SM-C-500877 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-C-500877 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like SM-C-500877?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for SM-C-500877?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.